Ovine Estriol USP Grade from Canada
Estriol hormone purified from ovine (sheep) placental sources meeting USP pharmaceutical standards. Used in hormone replacement formulations, this natural estrogen qualifies under the animal-derived category. The 'other' specification in 2937.23.1050 captures such specific natural estrogens.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Provide animal welfare and slaughter certificates tracing placental material source
• Include USP CoA and BSE-free certification for ruminant-derived imports
• Declare batch-specific extraction yields to validate natural purity claims